Michael Jackson

"Michael Jackson suffered from such an extreme case of insomnia he once traveled with a personal anesthesiologist who plied the sleep-deprived singer with meds and kept an IV pole in his hotel room." (Source: NY Daily News)

"Michael Jackson suffered from such an extreme case of insomnia he once traveled with a personal anesthesiologist who plied the sleep-deprived singer with meds and kept an IV pole in his hotel room." (Source: NY Daily News) (Robyn Beck, AFP/Getty Images)

"Michael Jackson suffered from such an extreme case of insomnia he once traveled with a personal anesthesiologist who plied the sleep-deprived singer with meds and kept an IV pole in his hotel room." (Source: NY Daily News)Robyn Beck, AFP/Getty Images